Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 1 | /* |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| 3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 4 | * All rights reserved |
| 5 | * |
| 6 | * As far as I am concerned, the code I have written for this software |
| 7 | * can be used freely for any purpose. Any derived versions of this |
| 8 | * software must be clearly marked as such, and if the derived work is |
| 9 | * incompatible with the protocol description in the RFC file, it must be |
| 10 | * called by a name other than "ssh" or "Secure Shell". |
| 11 | */ |
| 12 | /* |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 13 | * Copyright (c) 2000 Markus Friedl. All rights reserved. |
| 14 | * |
| 15 | * Redistribution and use in source and binary forms, with or without |
| 16 | * modification, are permitted provided that the following conditions |
| 17 | * are met: |
| 18 | * 1. Redistributions of source code must retain the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer. |
| 20 | * 2. Redistributions in binary form must reproduce the above copyright |
| 21 | * notice, this list of conditions and the following disclaimer in the |
| 22 | * documentation and/or other materials provided with the distribution. |
| 23 | * |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 25 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 26 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 27 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 28 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 29 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 30 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 31 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 32 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 33 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 34 | */ |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 35 | |
| 36 | #include "includes.h" |
Damien Miller | c11fe25 | 2003-05-25 14:38:02 +1000 | [diff] [blame] | 37 | RCSID("$OpenBSD: log.c,v 1.28 2003/05/24 09:02:22 djm Exp $"); |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 38 | |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 39 | #include "log.h" |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 40 | #include "xmalloc.h" |
| 41 | |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 42 | #include <syslog.h> |
Damien Miller | 5c3a558 | 2003-09-23 22:12:38 +1000 | [diff] [blame^] | 43 | #if defined(HAVE_STRNVIS) && defined(HAVE_VIS_H) |
| 44 | # include <vis.h> |
| 45 | #endif |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 46 | |
| 47 | static LogLevel log_level = SYSLOG_LEVEL_INFO; |
| 48 | static int log_on_stderr = 1; |
| 49 | static int log_facility = LOG_AUTH; |
| 50 | static char *argv0; |
| 51 | |
| 52 | extern char *__progname; |
| 53 | |
| 54 | /* textual representation of log-facilities/levels */ |
| 55 | |
| 56 | static struct { |
| 57 | const char *name; |
| 58 | SyslogFacility val; |
| 59 | } log_facilities[] = { |
| 60 | { "DAEMON", SYSLOG_FACILITY_DAEMON }, |
| 61 | { "USER", SYSLOG_FACILITY_USER }, |
| 62 | { "AUTH", SYSLOG_FACILITY_AUTH }, |
Damien Miller | 30246a8 | 2001-03-05 21:23:31 +1100 | [diff] [blame] | 63 | #ifdef LOG_AUTHPRIV |
| 64 | { "AUTHPRIV", SYSLOG_FACILITY_AUTHPRIV }, |
| 65 | #endif |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 66 | { "LOCAL0", SYSLOG_FACILITY_LOCAL0 }, |
| 67 | { "LOCAL1", SYSLOG_FACILITY_LOCAL1 }, |
| 68 | { "LOCAL2", SYSLOG_FACILITY_LOCAL2 }, |
| 69 | { "LOCAL3", SYSLOG_FACILITY_LOCAL3 }, |
| 70 | { "LOCAL4", SYSLOG_FACILITY_LOCAL4 }, |
| 71 | { "LOCAL5", SYSLOG_FACILITY_LOCAL5 }, |
| 72 | { "LOCAL6", SYSLOG_FACILITY_LOCAL6 }, |
| 73 | { "LOCAL7", SYSLOG_FACILITY_LOCAL7 }, |
Damien Miller | fcd9320 | 2002-02-05 12:26:34 +1100 | [diff] [blame] | 74 | { NULL, SYSLOG_FACILITY_NOT_SET } |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 75 | }; |
| 76 | |
| 77 | static struct { |
| 78 | const char *name; |
| 79 | LogLevel val; |
| 80 | } log_levels[] = |
| 81 | { |
| 82 | { "QUIET", SYSLOG_LEVEL_QUIET }, |
| 83 | { "FATAL", SYSLOG_LEVEL_FATAL }, |
| 84 | { "ERROR", SYSLOG_LEVEL_ERROR }, |
| 85 | { "INFO", SYSLOG_LEVEL_INFO }, |
| 86 | { "VERBOSE", SYSLOG_LEVEL_VERBOSE }, |
| 87 | { "DEBUG", SYSLOG_LEVEL_DEBUG1 }, |
| 88 | { "DEBUG1", SYSLOG_LEVEL_DEBUG1 }, |
| 89 | { "DEBUG2", SYSLOG_LEVEL_DEBUG2 }, |
| 90 | { "DEBUG3", SYSLOG_LEVEL_DEBUG3 }, |
Damien Miller | fcd9320 | 2002-02-05 12:26:34 +1100 | [diff] [blame] | 91 | { NULL, SYSLOG_LEVEL_NOT_SET } |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 92 | }; |
| 93 | |
| 94 | SyslogFacility |
| 95 | log_facility_number(char *name) |
| 96 | { |
| 97 | int i; |
Ben Lindstrom | 8e8ef2a | 2002-07-07 22:14:55 +0000 | [diff] [blame] | 98 | |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 99 | if (name != NULL) |
| 100 | for (i = 0; log_facilities[i].name; i++) |
| 101 | if (strcasecmp(log_facilities[i].name, name) == 0) |
| 102 | return log_facilities[i].val; |
Damien Miller | fcd9320 | 2002-02-05 12:26:34 +1100 | [diff] [blame] | 103 | return SYSLOG_FACILITY_NOT_SET; |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | LogLevel |
| 107 | log_level_number(char *name) |
| 108 | { |
| 109 | int i; |
Ben Lindstrom | 8e8ef2a | 2002-07-07 22:14:55 +0000 | [diff] [blame] | 110 | |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 111 | if (name != NULL) |
| 112 | for (i = 0; log_levels[i].name; i++) |
| 113 | if (strcasecmp(log_levels[i].name, name) == 0) |
| 114 | return log_levels[i].val; |
Damien Miller | fcd9320 | 2002-02-05 12:26:34 +1100 | [diff] [blame] | 115 | return SYSLOG_LEVEL_NOT_SET; |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 116 | } |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 117 | |
| 118 | /* Error messages that should be logged. */ |
| 119 | |
| 120 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 121 | error(const char *fmt,...) |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 122 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 123 | va_list args; |
Ben Lindstrom | 8e8ef2a | 2002-07-07 22:14:55 +0000 | [diff] [blame] | 124 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 125 | va_start(args, fmt); |
| 126 | do_log(SYSLOG_LEVEL_ERROR, fmt, args); |
| 127 | va_end(args); |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | /* Log this message (information that usually should go to the log). */ |
| 131 | |
| 132 | void |
Damien Miller | 996acd2 | 2003-04-09 20:59:48 +1000 | [diff] [blame] | 133 | logit(const char *fmt,...) |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 134 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 135 | va_list args; |
Ben Lindstrom | 8e8ef2a | 2002-07-07 22:14:55 +0000 | [diff] [blame] | 136 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 137 | va_start(args, fmt); |
Ben Lindstrom | db65e8f | 2001-01-19 04:26:52 +0000 | [diff] [blame] | 138 | do_log(SYSLOG_LEVEL_INFO, fmt, args); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 139 | va_end(args); |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 140 | } |
| 141 | |
| 142 | /* More detailed messages (information that does not need to go to the log). */ |
| 143 | |
| 144 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 145 | verbose(const char *fmt,...) |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 146 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 147 | va_list args; |
Ben Lindstrom | 8e8ef2a | 2002-07-07 22:14:55 +0000 | [diff] [blame] | 148 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 149 | va_start(args, fmt); |
| 150 | do_log(SYSLOG_LEVEL_VERBOSE, fmt, args); |
| 151 | va_end(args); |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | /* Debugging messages that should not be logged during normal operation. */ |
| 155 | |
| 156 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 157 | debug(const char *fmt,...) |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 158 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 159 | va_list args; |
Ben Lindstrom | 8e8ef2a | 2002-07-07 22:14:55 +0000 | [diff] [blame] | 160 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 161 | va_start(args, fmt); |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 162 | do_log(SYSLOG_LEVEL_DEBUG1, fmt, args); |
| 163 | va_end(args); |
| 164 | } |
| 165 | |
| 166 | void |
| 167 | debug2(const char *fmt,...) |
| 168 | { |
| 169 | va_list args; |
Ben Lindstrom | 8e8ef2a | 2002-07-07 22:14:55 +0000 | [diff] [blame] | 170 | |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 171 | va_start(args, fmt); |
| 172 | do_log(SYSLOG_LEVEL_DEBUG2, fmt, args); |
| 173 | va_end(args); |
| 174 | } |
| 175 | |
| 176 | void |
| 177 | debug3(const char *fmt,...) |
| 178 | { |
| 179 | va_list args; |
Ben Lindstrom | 8e8ef2a | 2002-07-07 22:14:55 +0000 | [diff] [blame] | 180 | |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 181 | va_start(args, fmt); |
| 182 | do_log(SYSLOG_LEVEL_DEBUG3, fmt, args); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 183 | va_end(args); |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 184 | } |
| 185 | |
| 186 | /* Fatal cleanup */ |
| 187 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 188 | struct fatal_cleanup { |
| 189 | struct fatal_cleanup *next; |
| 190 | void (*proc) (void *); |
| 191 | void *context; |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 192 | }; |
| 193 | |
| 194 | static struct fatal_cleanup *fatal_cleanups = NULL; |
| 195 | |
| 196 | /* Registers a cleanup function to be called by fatal() before exiting. */ |
| 197 | |
| 198 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 199 | fatal_add_cleanup(void (*proc) (void *), void *context) |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 200 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 201 | struct fatal_cleanup *cu; |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 202 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 203 | cu = xmalloc(sizeof(*cu)); |
| 204 | cu->proc = proc; |
| 205 | cu->context = context; |
| 206 | cu->next = fatal_cleanups; |
| 207 | fatal_cleanups = cu; |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | /* Removes a cleanup frunction to be called at fatal(). */ |
| 211 | |
| 212 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 213 | fatal_remove_cleanup(void (*proc) (void *context), void *context) |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 214 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 215 | struct fatal_cleanup **cup, *cu; |
| 216 | |
| 217 | for (cup = &fatal_cleanups; *cup; cup = &cu->next) { |
| 218 | cu = *cup; |
| 219 | if (cu->proc == proc && cu->context == context) { |
| 220 | *cup = cu->next; |
| 221 | xfree(cu); |
| 222 | return; |
| 223 | } |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 224 | } |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 225 | fatal("fatal_remove_cleanup: no such cleanup function: 0x%lx 0x%lx", |
| 226 | (u_long) proc, (u_long) context); |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 227 | } |
| 228 | |
Ben Lindstrom | 264ee30 | 2002-07-23 21:01:56 +0000 | [diff] [blame] | 229 | /* Remove all cleanups, to be called after fork() */ |
| 230 | void |
| 231 | fatal_remove_all_cleanups(void) |
| 232 | { |
| 233 | struct fatal_cleanup *cu, *next_cu; |
| 234 | |
| 235 | for (cu = fatal_cleanups; cu; cu = next_cu) { |
| 236 | next_cu = cu->next; |
| 237 | xfree(cu); |
| 238 | } |
Damien Miller | 0946d87 | 2003-01-14 22:22:43 +1100 | [diff] [blame] | 239 | fatal_cleanups = NULL; |
Ben Lindstrom | 264ee30 | 2002-07-23 21:01:56 +0000 | [diff] [blame] | 240 | } |
| 241 | |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 242 | /* Cleanup and exit */ |
| 243 | void |
| 244 | fatal_cleanup(void) |
| 245 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 246 | struct fatal_cleanup *cu, *next_cu; |
| 247 | static int called = 0; |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 248 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 249 | if (called) |
| 250 | exit(255); |
| 251 | called = 1; |
| 252 | /* Call cleanup functions. */ |
| 253 | for (cu = fatal_cleanups; cu; cu = next_cu) { |
| 254 | next_cu = cu->next; |
| 255 | debug("Calling cleanup 0x%lx(0x%lx)", |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 256 | (u_long) cu->proc, (u_long) cu->context); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 257 | (*cu->proc) (cu->context); |
| 258 | } |
| 259 | exit(255); |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 260 | } |
Damien Miller | 6162d12 | 1999-11-21 13:23:52 +1100 | [diff] [blame] | 261 | |
Damien Miller | 6162d12 | 1999-11-21 13:23:52 +1100 | [diff] [blame] | 262 | |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 263 | /* |
| 264 | * Initialize the log. |
| 265 | */ |
| 266 | |
| 267 | void |
| 268 | log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr) |
| 269 | { |
| 270 | argv0 = av0; |
| 271 | |
| 272 | switch (level) { |
| 273 | case SYSLOG_LEVEL_QUIET: |
| 274 | case SYSLOG_LEVEL_FATAL: |
| 275 | case SYSLOG_LEVEL_ERROR: |
| 276 | case SYSLOG_LEVEL_INFO: |
| 277 | case SYSLOG_LEVEL_VERBOSE: |
| 278 | case SYSLOG_LEVEL_DEBUG1: |
| 279 | case SYSLOG_LEVEL_DEBUG2: |
| 280 | case SYSLOG_LEVEL_DEBUG3: |
| 281 | log_level = level; |
| 282 | break; |
| 283 | default: |
Kevin Steves | edcd576 | 2001-04-02 13:45:00 +0000 | [diff] [blame] | 284 | fprintf(stderr, "Unrecognized internal syslog level code %d\n", |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 285 | (int) level); |
| 286 | exit(1); |
| 287 | } |
| 288 | |
| 289 | log_on_stderr = on_stderr; |
| 290 | if (on_stderr) |
| 291 | return; |
| 292 | |
| 293 | switch (facility) { |
| 294 | case SYSLOG_FACILITY_DAEMON: |
| 295 | log_facility = LOG_DAEMON; |
| 296 | break; |
| 297 | case SYSLOG_FACILITY_USER: |
| 298 | log_facility = LOG_USER; |
| 299 | break; |
| 300 | case SYSLOG_FACILITY_AUTH: |
| 301 | log_facility = LOG_AUTH; |
| 302 | break; |
Damien Miller | 30246a8 | 2001-03-05 21:23:31 +1100 | [diff] [blame] | 303 | #ifdef LOG_AUTHPRIV |
| 304 | case SYSLOG_FACILITY_AUTHPRIV: |
| 305 | log_facility = LOG_AUTHPRIV; |
| 306 | break; |
Ben Lindstrom | 53f11c6 | 2001-03-05 08:18:17 +0000 | [diff] [blame] | 307 | #endif |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 308 | case SYSLOG_FACILITY_LOCAL0: |
| 309 | log_facility = LOG_LOCAL0; |
| 310 | break; |
| 311 | case SYSLOG_FACILITY_LOCAL1: |
| 312 | log_facility = LOG_LOCAL1; |
| 313 | break; |
| 314 | case SYSLOG_FACILITY_LOCAL2: |
| 315 | log_facility = LOG_LOCAL2; |
| 316 | break; |
| 317 | case SYSLOG_FACILITY_LOCAL3: |
| 318 | log_facility = LOG_LOCAL3; |
| 319 | break; |
| 320 | case SYSLOG_FACILITY_LOCAL4: |
| 321 | log_facility = LOG_LOCAL4; |
| 322 | break; |
| 323 | case SYSLOG_FACILITY_LOCAL5: |
| 324 | log_facility = LOG_LOCAL5; |
| 325 | break; |
| 326 | case SYSLOG_FACILITY_LOCAL6: |
| 327 | log_facility = LOG_LOCAL6; |
| 328 | break; |
| 329 | case SYSLOG_FACILITY_LOCAL7: |
| 330 | log_facility = LOG_LOCAL7; |
| 331 | break; |
| 332 | default: |
| 333 | fprintf(stderr, |
Kevin Steves | edcd576 | 2001-04-02 13:45:00 +0000 | [diff] [blame] | 334 | "Unrecognized internal syslog facility code %d\n", |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 335 | (int) facility); |
| 336 | exit(1); |
| 337 | } |
Damien Miller | 6162d12 | 1999-11-21 13:23:52 +1100 | [diff] [blame] | 338 | } |
| 339 | |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 340 | #define MSGBUFSIZ 1024 |
| 341 | |
Ben Lindstrom | 9c8edc9 | 2002-02-26 17:52:14 +0000 | [diff] [blame] | 342 | void |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 343 | do_log(LogLevel level, const char *fmt, va_list args) |
Damien Miller | 6162d12 | 1999-11-21 13:23:52 +1100 | [diff] [blame] | 344 | { |
Damien Miller | 74a3442 | 2003-05-20 09:24:17 +1000 | [diff] [blame] | 345 | #ifdef OPENLOG_R |
| 346 | struct syslog_data sdata = SYSLOG_DATA_INIT; |
| 347 | #endif |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 348 | char msgbuf[MSGBUFSIZ]; |
| 349 | char fmtbuf[MSGBUFSIZ]; |
| 350 | char *txt = NULL; |
| 351 | int pri = LOG_INFO; |
| 352 | |
| 353 | if (level > log_level) |
| 354 | return; |
| 355 | |
| 356 | switch (level) { |
| 357 | case SYSLOG_LEVEL_FATAL: |
| 358 | if (!log_on_stderr) |
| 359 | txt = "fatal"; |
| 360 | pri = LOG_CRIT; |
| 361 | break; |
| 362 | case SYSLOG_LEVEL_ERROR: |
| 363 | if (!log_on_stderr) |
| 364 | txt = "error"; |
| 365 | pri = LOG_ERR; |
| 366 | break; |
| 367 | case SYSLOG_LEVEL_INFO: |
| 368 | pri = LOG_INFO; |
| 369 | break; |
| 370 | case SYSLOG_LEVEL_VERBOSE: |
| 371 | pri = LOG_INFO; |
| 372 | break; |
| 373 | case SYSLOG_LEVEL_DEBUG1: |
| 374 | txt = "debug1"; |
| 375 | pri = LOG_DEBUG; |
| 376 | break; |
| 377 | case SYSLOG_LEVEL_DEBUG2: |
| 378 | txt = "debug2"; |
| 379 | pri = LOG_DEBUG; |
| 380 | break; |
| 381 | case SYSLOG_LEVEL_DEBUG3: |
| 382 | txt = "debug3"; |
| 383 | pri = LOG_DEBUG; |
| 384 | break; |
| 385 | default: |
| 386 | txt = "internal error"; |
| 387 | pri = LOG_ERR; |
| 388 | break; |
| 389 | } |
| 390 | if (txt != NULL) { |
| 391 | snprintf(fmtbuf, sizeof(fmtbuf), "%s: %s", txt, fmt); |
| 392 | vsnprintf(msgbuf, sizeof(msgbuf), fmtbuf, args); |
| 393 | } else { |
| 394 | vsnprintf(msgbuf, sizeof(msgbuf), fmt, args); |
| 395 | } |
Damien Miller | d419bda | 2003-05-23 18:43:40 +1000 | [diff] [blame] | 396 | strnvis(fmtbuf, msgbuf, sizeof(fmtbuf), VIS_SAFE|VIS_OCTAL); |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 397 | if (log_on_stderr) { |
Damien Miller | c11fe25 | 2003-05-25 14:38:02 +1000 | [diff] [blame] | 398 | snprintf(msgbuf, sizeof msgbuf, "%s\r\n", fmtbuf); |
| 399 | write(STDERR_FILENO, msgbuf, strlen(msgbuf)); |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 400 | } else { |
Damien Miller | 74a3442 | 2003-05-20 09:24:17 +1000 | [diff] [blame] | 401 | #ifdef OPENLOG_R |
| 402 | openlog_r(argv0 ? argv0 : __progname, LOG_PID, log_facility, &sdata); |
Damien Miller | c11fe25 | 2003-05-25 14:38:02 +1000 | [diff] [blame] | 403 | syslog_r(pri, &sdata, "%.500s", fmtbuf); |
Damien Miller | 74a3442 | 2003-05-20 09:24:17 +1000 | [diff] [blame] | 404 | closelog_r(&sdata); |
| 405 | #else |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 406 | openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility); |
Damien Miller | b93addb | 2003-01-07 17:04:18 +1100 | [diff] [blame] | 407 | syslog(pri, "%.500s", fmtbuf); |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 408 | closelog(); |
Damien Miller | 74a3442 | 2003-05-20 09:24:17 +1000 | [diff] [blame] | 409 | #endif |
Ben Lindstrom | 8a432f5 | 2001-03-05 07:24:46 +0000 | [diff] [blame] | 410 | } |
Damien Miller | 6162d12 | 1999-11-21 13:23:52 +1100 | [diff] [blame] | 411 | } |